package com.atguigu.springcloud.controller;

import com.atguigu.springcloud.entities.CommonResult;
import com.atguigu.springcloud.entities.Payment;
import com.atguigu.springcloud.service.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;

/**
 * @auther zzyy
 * @create 2020-02-18 10:43
 */
@RestController
@Slf4j
public class PaymentController {
    /**
     * @Resource 为Java自带的
     * @Autowired 为Spring的
     */
    @Resource
    private PaymentService paymentService;

    /**
     * 需要在主启动类中添加如下注解,才能使用这个对象
     * @EnableDiscoveryClient
     */
    @Resource
    private DiscoveryClient discoveryClient;

    /**
     * 读取配置文件数据
     */
    @Value("${server.port}")
    private String serverPort;

    /**
     * @RequestBody 表示前端是json请求  @PostMapping 必须是post请求
     */
    @PostMapping(value = "/payment/create")
    public CommonResult create(@RequestBody Payment payment) {
        int result = paymentService.create(payment);
        log.info("*****插入结果2：" + result);
        if (result > 0) {
            return new CommonResult(200,"插入数据库成功,serverPort: "+serverPort,result);
        } else {
            return new CommonResult<>(444, "插入数据库失败", null);
        }
    }

    @GetMapping(value = "/payment/get/{id}")
    public CommonResult<Payment> getPaymentById(@PathVariable("id") Long id) {
        Payment payment = paymentService.getPaymentById(id);

        if (payment != null) {
            return new CommonResult(200,"查询成功,serverPort:  "+serverPort,payment);
        } else {
            return new CommonResult<>(444, "没有对应记录,查询ID: " + id, null);
        }
    }


    @GetMapping(value = "/payment/discovery")
    public Object discovery() {
        // DiscoveryClient 获取微服务相关的信息
        List<String> services = discoveryClient.getServices();
        for (String element : services) {
            log.info("*****element: "+element);
        }

        List<ServiceInstance> instances = discoveryClient.getInstances("cloud-provider-service");
        for (ServiceInstance instance : instances) {
            log.info(instance.getServiceId()+"\t"+instance.getHost()+"\t"+instance.getPort()+"\t"+instance.getUri());
        }

        return this.discoveryClient;
    }

}
